... Applied by torch.Widely applied in roofing, basement, pool, subway etc.Construction Requirements Basement TreatmentThe waterproofing base should be strong ... storage and transportation, keep the package well, put them in a dry ,airy place, keep away from direct sunlight, ... if it complies with all the items in the specifications. SBS modified bituminous waterproofing sheet(SBS,2mm-4mm,PE film,mineral ...